/* ==========================================================================
   ESKA PACK - 全局样式规范 (完整版)
   ========================================================================== */

/* -------------------------------------------
   1. 全局变量与基础样式
------------------------------------------- */
:root {
    --primary-navy: #1A365D;
    --eco-green: #2EA043;
    --kraft-brown: #BC8F5F;
    --pulp-gray: #F7F7F7;
    --charcoal: #2C3338;
    --es-orange: #E65C00;        /* 🇪🇸 西语版专属活力橘 */
    --es-orange-hover: #CC5200;  /* 🇪🇸 西语版专属活力橘(悬停加深) */
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--charcoal);
    line-height: 1.6;
}

/* -------------------------------------------
   2. 导航栏 (Navbar)
------------------------------------------- */
.navbar-brand {
    /* 注意：CSS 放入 css 文件夹后，图片路径需要加 ../ */
    background: url('../img/logo-green.png') no-repeat 0;
    width: 224px;
    height: 35px;
    display: inline-block;
    font-size: 0;
}

.navbar.scrolled {
    padding: 0.8rem 0;
    background-color: #ffffff; 
    border-bottom: 1px solid transparent; 
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); 
}

/* --- 🇪🇸 西语版专属：优化导航栏间距，防止拥挤 --- */
.nav-link {
    font-weight: 600;
    color: var(--primary-navy) !important;
    /* 原为 0 15px，缩小左右间距 */
    margin: 0 10px !important; 
    padding: 8px 0 !important;
    position: relative;
    transition: color 0.3s;
    /* 稍微缩小字号，让导航条呼吸感更强 */
    font-size: 0.95rem; 
}

/* 针对较小的笔记本屏幕，进一步压缩间距 */
@media (min-width: 992px) and (max-width: 1199px) {
    .nav-link {
        margin: 0 6px !important;
        font-size: 0.9rem;
    }
}

.nav-link:hover, .nav-link:focus {
    color: var(--kraft-brown) !important;
}

.nav-link::before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--kraft-brown); 
    transition: width 0.3s ease;
}

.nav-link:hover::before {
    width: 100%;
}

.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.5em; 
    vertical-align: 0.15em;
    content: "";
    border-top: 0.35em solid;
    border-right: 0.35em solid transparent;
    border-bottom: 0;
    border-left: 0.35em solid transparent;
    transition: transform 0.3s ease; 
}

.dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    border-radius: 8px;
    margin-top: 10px;
}

.dropdown-item {
    font-weight: 500;
    color: var(--charcoal);
    padding: 10px 20px;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background-color: var(--pulp-gray);
    color: var(--eco-green); 
}

.btn-quote {
    background-color: var(--eco-green);
    color: white;
    font-weight: 600;
    border-radius: 50px;
    padding: 10px 28px;
    box-shadow: 0 4px 15px rgba(46, 160, 67, 0.2);
    transition: all 0.3s;
    text-decoration: none;
}

.btn-quote:hover {
    background-color: #258638;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 160, 67, 0.3);
}
/* --- 🇪🇸 西班牙语版专属：高转化橘色按钮 --- */
.btn-quote-es {
    background-color: var(--es-orange);
    color: white;
    font-weight: 600;
    border-radius: 50px;
    padding: 10px 28px;
    box-shadow: 0 4px 15px rgba(230, 92, 0, 0.25);
    transition: all 0.3s;
    text-decoration: none;
    white-space: nowrap; /* 防止拉美语汇变长导致换行 */
}

.btn-quote-es:hover {
    background-color: var(--es-orange-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 92, 0, 0.35);
}
/* --- 修复移动端面包屑 (Breadcrumb) 折行错位问题 --- */
.breadcrumb {
    flex-wrap: nowrap !important; /* 强制不换行，保持在一根水平线上 */
    white-space: nowrap;          /* 文字不折行 */
    overflow-x: auto;             /* 允许横向滑动 */
    -webkit-overflow-scrolling: touch; /* 开启 iOS 移动端原生弹性滑动体验 */
    scrollbar-width: none;        /* 隐藏 Firefox 滚动条 */
    padding-bottom: 2px;          /* 预留一点底边距，防止英文字母底部被截断 */
}

/* 隐藏基于 WebKit 浏览器的横向滚动条 (Chrome, Safari, Edge) */
.breadcrumb::-webkit-scrollbar {
    display: none;
}

/* 确保每个节点内部的文字和斜杠绝对对齐 */
.breadcrumb-item {
    display: inline-flex;
    align-items: center;
}
/* -------------------------------------------
   3. 首屏视觉区 (Hero Section)
------------------------------------------- */
.hero-premium {
    position: relative;
    padding: 140px 0 100px;
    background-color: #ffffff;
    overflow: hidden;
}

.hero-watermark {
    position: absolute;
    top: 5%;
    left: -2%;
    font-size: 17vw;
    font-weight: 900;
    color: rgba(26, 54, 93, 0.05); 
    line-height: 1;
    white-space: nowrap;
    z-index: 0;
    pointer-events: none;
    user-select: none;
}

.hero-text-wrapper {
    position: relative;
    z-index: 10;
}

.hero-h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-navy);
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 2rem;
}

.hero-h1 span {
    color: var(--kraft-brown); 
}

.hero-lead {
    font-size: 1.2rem;
    color: #555;
    font-weight: 400;
    max-width: 90%;
    margin-bottom: 2.5rem;
    border-left: 3px solid var(--eco-green);
    padding-left: 15px;
}

.hero-visual {
    position: relative;
    z-index: 5;
    margin-top: 2rem;
}

.visual-backdrop {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80%;
    height: 100%;
    background-color: var(--pulp-gray);
    border: 1px solid #ebebeb;
    z-index: 1;
}

.visual-img {
    position: relative;
    z-index: 2;
    width: 100%;
    box-shadow: -15px 15px 40px rgba(0,0,0,0.08);            
    background: url('../img/hero-1.jpg') center/cover;
    height: 500px;
}

.tech-point {
    position: absolute;
    z-index: 10;
    cursor: pointer;
}

.point-1 { top: 20%; left: 30%; }
.point-2 { top: 60%; left: 70%; }

.pulse-dot {
    width: 14px;
    height: 14px;
    background-color: var(--eco-green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(46, 160, 67, 0.7);
    animation: pulse-green 2s infinite;
}

.tech-line {
    position: absolute;
    top: 7px;
    left: 14px;
    width: 100px;
    height: 1px;
    background-color: var(--primary-navy);
    transform-origin: left;
}

.tech-text {
    position: absolute;
    top: -10px;
    left: 120px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-navy);
    white-space: nowrap;
    background: rgba(255,255,255,0.9);
    padding: 4px 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(46, 160, 67, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(46, 160, 67, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 160, 67, 0); }
}

/* -------------------------------------------
   4. 数据统计条 (Stats Bar)
------------------------------------------- */
.stats-bar {
    background-color: #fcfcfc; 
    background-image: radial-gradient(#d5d5d5 1px, transparent 1px);
    background-size: 15px 15px; 
    padding: 70px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.02), inset 0 -4px 10px rgba(0,0,0,0.02);
}

.stat-item h2 {
    color: var(--primary-navy);
    font-weight: 800; 
    font-size: 3rem;  
    margin-bottom: 5px;
    letter-spacing: -1px;
}

.stat-item p {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--kraft-brown); 
    letter-spacing: 1px;
}

/* -------------------------------------------
   5. 动态斜线卡片 (Solutions)
------------------------------------------- */
.solution-card-pro {
    position: relative;
    height: 460px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background-color: var(--primary-navy); 
}

.solution-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.solution-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(26, 54, 93, 0.15) 0%, rgba(26, 54, 93, 0.4) 100%);
    z-index: 1;
}

.solution-shape {
    position: absolute;
    bottom: -40px; 
    left: 0;
    width: 100%;
    height: 42%; 
    background-color: rgba(26, 54, 93, 0.85); 
    transform: skewY(-7deg);
    transform-origin: bottom right;
    border-top: 4px solid var(--eco-green); 
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 2;
}

.solution-text {
    position: absolute;
    bottom: 15px; 
    left: 0;
    width: 100%;
    padding: 0 35px; 
    z-index: 3; 
    text-align: left;
}

.solution-icon-pro {
    font-size: 2.2rem;
    color: var(--eco-green);
    display: inline-block;
    margin-bottom: 10px; 
    transition: color 0.4s;
}

.solution-text h4 {
    line-height: 1.3;
}

.solution-text p {
    margin-bottom: 10px; 
    line-height: 1.5;
}

.solution-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0; 
    transform: translateY(15px);
    display: inline-block;
    transition: all 0.4s ease;
}

.solution-card-pro:hover .solution-bg {
    transform: scale(1.08);
}

.solution-card-pro:hover .solution-shape {
    height: 58%; 
    background-color: var(--primary-navy); 
    border-top-color: var(--kraft-brown); 
}

.solution-card-pro:hover .solution-icon-pro {
    color: var(--kraft-brown);
}

.solution-card-pro:hover .solution-link {
    opacity: 1;
    transform: translateY(0);
}

/* -------------------------------------------
   6. 核心服务能力 (Service Capabilities)
------------------------------------------- */
.capability-card {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 35px 25px;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid transparent;
}

.capability-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
    border-bottom: 3px solid var(--es-orange);
}

.cap-icon-wrapper {
    width: 65px;
    height: 65px;
    background-color: rgba(46, 160, 67, 0.08); 
    border-radius: 12px; 
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--eco-green);
    margin-bottom: 25px;
    transition: all 0.4s ease;
}

.capability-card:hover .cap-icon-wrapper {
    background-color: var(--eco-green);
    color: #ffffff;
    transform: scale(1.1) rotate(-5deg); 
}

/* -------------------------------------------
   7. Bento Box 产品墙 (Products)
------------------------------------------- */
.product-bento {
    background-color: #f4f5f7; 
    border-radius: 16px;
    border: none;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
}

.product-bento:hover {
    background-color: #ffffff;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
}

.explore-link {
    color: var(--kraft-brown);
    font-size: 0.95rem;
    position: relative;
    display: inline-block;
    transition: color 0.3s;
}

.explore-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--kraft-brown);
    transition: width 0.3s ease;
}

.product-bento:hover .explore-link::after {
    width: 100%;
}

.product-img-bento {
    max-width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.product-bento:hover .product-img-bento {
    transform: scale(1.05); 
}

.product-bento.tall .hero-img {
    max-height: 350px;
    margin: 0 auto;
}

.product-bento .badge {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.bento-watermark {
    position: absolute;
    top: -2%;      
    right: -5%;    
    left: auto;    
    font-size: 5.5rem; 
    font-weight: 900;
    color: rgba(26, 54, 93, 0.035); 
    line-height: 1; 
    z-index: 1; 
    pointer-events: none; 
    user-select: none;
    text-transform: uppercase;
    transform: none; 
    transform-origin: top right; 
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), color 0.5s ease;
}

.product-bento.tall:hover .bento-watermark {
    transform: scale(1.08); 
    color: rgba(26, 54, 93, 0.05); 
}

/* -------------------------------------------
   8. 工厂实力与视频区块 (Manufacturing)
------------------------------------------- */
.video-thumbnail-wrapper {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.video-thumbnail-wrapper::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.3); 
    transition: background-color 0.3s;
}

.video-thumbnail-wrapper:hover::after {
    background-color: rgba(0, 0, 0, 0.1);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background-color: var(--eco-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    z-index: 2;
    text-decoration: none;
    box-shadow: 0 0 0 0 rgba(46, 160, 67, 0.5);
    animation: play-pulse 2s infinite;
    transition: transform 0.3s ease, background-color 0.3s;
}

.play-btn:hover {
    background-color: white;
    color: var(--eco-green);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-caption {
    position: absolute;
    bottom: 15px;
    left: 20px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 2;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 15px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.trust-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.trust-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.cert-item {
    color: #ffffff;
    font-weight: 600;
    font-size: 1.1rem;
    opacity: 0.7;
    transition: opacity 0.3s;
    cursor: default;
}

.cert-item:hover {
    opacity: 1;
}

/* -------------------------------------------
   9. 页脚 (Footer)
------------------------------------------- */
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: white;
    color: var(--primary-navy);
    border-radius: 50%;
    font-size: 1.2rem;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: var(--eco-green);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(46, 160, 67, 0.3);
}

.footer-links a {
    color: #6c757d; 
    text-decoration: none;
    display: inline-block; /* 保证 transform 动画正常运行 */
    transition: color 0.3s, transform 0.3s;
}

.footer-links a:hover {
    color: var(--eco-green);
    transform: translateX(5px); /* 修复抖动的丝滑平移动画 */
}

.footer-legal-link:hover {
    color: var(--primary-navy) !important;
    text-decoration: underline !important;
}

/* -------------------------------------------
   10. 响应式调整 (Responsive)
------------------------------------------- */
@media (max-width: 991px) {
    .hero-h1 { font-size: 2.8rem; }
    .tech-point { display: none; } 
    .hero-premium { padding: 100px 0 60px; }
}
/* --- 🇪🇸 针对西语文本变长，微调平板/小屏笔记本下的导航栏间距以防断行 --- */
@media (min-width: 992px) and (max-width: 1199px) {
    .nav-link {
        margin: 0 8px !important; /* 原为 15px，缩小间距为西语腾出空间 */
        font-size: 0.95rem;
    }
}
/* -------------------------------------------
   11. 返回顶部按钮 (Back to Top)
------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-navy);
    color: #ffffff;
    border: none;
    border-radius: 50%; /* 完美的圆形 */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    z-index: 999; /* 确保悬浮在所有元素最上层 */
    /* 初始状态：透明且往下沉 20px */
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 触发显示时的状态 */
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 鼠标悬停时的品牌色互动与上浮 */
.back-to-top:hover {
    background-color: var(--eco-green);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(46, 160, 67, 0.3);
    color: #ffffff;
}

.hover-shadow { transition: all 0.3s ease; }
.hover-shadow:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.05) !important; }

/* ==========================================================================
   Packaging FAQs 页面专属样式 (高级手风琴面板)
   ========================================================================== */

/* 消除外围边框与背景 */
.faq-premium .accordion-item {
    background-color: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px !important;
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
    overflow: hidden; /* 保证圆角生效 */
}

/* 鼠标悬停整个卡片时的微浮雕效果 */
.faq-premium .accordion-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
    border-color: rgba(46, 160, 67, 0.15); /* 边框微微泛绿 */
}

/* 重置按钮的基础样式 */
.faq-premium .accordion-button {
    font-weight: 700;
    color: var(--primary-navy);
    padding: 1.25rem 1.5rem;
    background-color: transparent;
    box-shadow: none !important; /* 彻底去除丑陋的蓝色发光圈 */
    font-size: 1.05rem;
}

/* 展开状态下 (非 collapsed) 的按钮样式 */
.faq-premium .accordion-button:not(.collapsed) {
    color: var(--eco-green);
    background-color: rgba(46, 160, 67, 0.03); /* 极淡的绿色背景 */
    box-shadow: none !important;
}

/* 更改右侧小箭头为品牌色 */
.faq-premium .accordion-button::after {
    filter: invert(15%) sepia(23%) saturate(1917%) hue-rotate(174deg) brightness(97%) contrast(98%); /* 将默认黑色箭头转为海军蓝 */
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.faq-premium .accordion-button:not(.collapsed)::after {
    filter: invert(45%) sepia(87%) saturate(382%) hue-rotate(85deg) brightness(92%) contrast(89%); /* 展开时转为生态绿 */
}

/* 答案区样式 */
.faq-premium .accordion-body {
    padding: 0 1.5rem 1.5rem 1.5rem;
    line-height: 1.7;
    font-size: 0.95rem;
    background-color: rgba(46, 160, 67, 0.03); /* 和展开的标题背景色融为一体 */
}

/* ==========================================================================
   Article (Insights & News) 专属样式
   ========================================================================== */

/* 1. 文章卡片交互 */
.article-card {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.article-card:hover, .article-featured-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08) !important;
}

/* 2. 图片缩放动效 */
.article-img-zoom {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.article-card:hover .article-img-zoom, .article-featured-card:hover .article-img-zoom {
    transform: scale(1.08);
}

/* 3. 文字悬停变绿 */
.hover-green-text {
    transition: color 0.3s;
}
.hover-green-text:hover {
    color: var(--eco-green) !important;
}

/* 4. 自定义分页条 (Pagination) */
.custom-pagination .page-link {
    margin: 0 4px;
    border-radius: 50% !important;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    transition: all 0.3s;
}
.custom-pagination .page-item.active .page-link {
    background-color: var(--primary-navy);
    color: white !important;
}
.custom-pagination .page-item:not(.active):not(.disabled) .page-link:hover {
    background-color: rgba(46,160,67,0.1);
    color: var(--eco-green) !important;
}

/* 5. 侧边栏分类悬停 */
.sidebar-categories a:hover {
    color: var(--eco-green) !important;
    padding-left: 5px;
    transition: all 0.3s;
}
/* ==========================================================================
   Contact Us 专属表单样式 (高级 B2B 质感)
   ========================================================================== */

/* 自定义输入框基础样式 */
.b2b-contact-form .custom-input {
    background-color: #f9fafb;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--primary-navy);
    transition: all 0.3s ease;
    box-shadow: none !important;
}

/* 解决悬浮标签的背景色问题 */
.b2b-contact-form .form-floating > .form-control:focus ~ label,
.b2b-contact-form .form-floating > .form-control:not(:placeholder-shown) ~ label,
.b2b-contact-form .form-floating > .form-select ~ label {
    color: var(--eco-green);
    transform: scale(.85) translateY(-.5rem) translateX(.15rem);
    background-color: transparent;
}

/* 鼠标悬停时的输入框反馈 */
.b2b-contact-form .custom-input:hover {
    background-color: #ffffff;
    border-color: rgba(46, 160, 67, 0.3);
}

/* 激活(聚焦)时的输入框绝佳发光质感 */
.b2b-contact-form .custom-input:focus {
    background-color: #ffffff;
    border-color: var(--eco-green);
    box-shadow: 0 0 0 4px rgba(46, 160, 67, 0.1) !important;
}

/* 下拉菜单专属优化 */
.b2b-contact-form select.custom-input {
    cursor: pointer;
    font-weight: 500;
}

/* 提交按钮的互动动效 */
.form-submit-btn {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
}

.form-submit-btn:hover {
    transform: translateY(-3px);
    background-color: var(--eco-green) !important;
    box-shadow: 0 10px 25px rgba(46, 160, 67, 0.3) !important;
}

/* ==========================================================================
   Product Detail Page (PDP) 专属样式
   ========================================================================== */

/* 1. 产品相册缩略图互动 */
.thumb-img {
    transition: all 0.3s ease;
}
.thumb-img:hover {
    border-color: var(--eco-green) !important;
    opacity: 1 !important;
}

/* 2. 定制高级 Tab 导航按钮 */
.custom-tab-btn {
    color: var(--primary-navy);
    background-color: transparent;
    transition: all 0.3s ease;
}
.custom-tab-btn:hover {
    color: var(--eco-green);
    background-color: rgba(46,160,67,0.05);
}
/* 覆盖 Bootstrap 默认的激活状态 */
.nav-pills .custom-tab-btn.active, 
.nav-pills .show > .custom-tab-btn {
    color: #ffffff !important;
    background-color: var(--primary-navy) !important;
    box-shadow: 0 4px 10px rgba(26,54,93,0.2);
}

/* 3. 规格表格高级感定制 */
.table-hover tbody tr:hover {
    background-color: rgba(46,160,67,0.02); /* 悬停时表格行泛出极淡的绿色 */
}
.table-bordered th, .table-bordered td {
    border-color: rgba(0,0,0,0.05); /* 让边框颜色变得极浅，显得干净 */
}
/* --- 🇪🇸 西语版专属：WhatsApp 悬浮即时通讯组件 --- */
.whatsapp-float {
    position: fixed;
    width: 55px;
    height: 55px;
    bottom: 90px; /* 悬浮在 Back to top 按钮正上方 */
    right: 30px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.whatsapp-float:hover {
    background-color: #20b858;
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* 在手机端稍微调整两个悬浮按钮的大小和位置 */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 48px;
        height: 48px;
        bottom: 80px;
        right: 20px;
        font-size: 24px;
    }
}
/* 🇪🇸 针对西语版的按钮互动增强 */
.hover-es-orange {
    transition: all 0.3s ease;
}
.hover-es-orange:hover {
    background-color: var(--es-orange) !important;
    border-color: var(--es-orange) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 92, 0, 0.2);
}

/* 覆盖原本的视频播放按钮 Hover 动效为橘色 */
.tour-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1) !important;
    box-shadow: 0 0 20px rgba(230, 92, 0, 0.6);
}